Warning! Warning! There's been a breach in the spacetime continuum!
"What's that?"
We are encountering a serious paradox situation. The past, present and future are happening simultaneously in this location. This is an emergency!
"Oh."
Warning cancelled. Situation normal.
"What happened?"
Your future self fixed the problem.
"So I don't need to do anything now? Good. I''m going back to sleep."
Warning! Warning! There's been a breach in the spacetime continuum!